sakula | 04e6443649a72c12480752b4eeaa8eb43b50a830023b0cd8780d95b202abd010

General

Target

04e6443649a72c12480752b4eeaa8eb43b50a830023b0cd8780d95b202abd010.exe
Size

89KB
MD5

edac9a8ce4b34e585e6d92537acd22ff
SHA1

58ea5405038dbe1d964e765324d7e9d7b52f187f
SHA256

04e6443649a72c12480752b4eeaa8eb43b50a830023b0cd8780d95b202abd010
SHA512

102d11b08f80c1fe645a9ea6aed67707f92fb2c4c605e88051342233e544237036f8318fd704680f6a286ea0c3a80a930f2800fa5218bd1ca28009166cac4ef8

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula

Sakula Payload 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe	family_sakula
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3376 MediaCenter.exe

pid	process
3376	MediaCenter.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

04e6443649a72c12480752b4eeaa8eb43b50a830023b0cd8780d95b202abd010.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	04e6443649a72c12480752b4eeaa8eb43b50a830023b0cd8780d95b202abd010.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

04e6443649a72c12480752b4eeaa8eb43b50a830023b0cd8780d95b202abd010.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe"	04e6443649a72c12480752b4eeaa8eb43b50a830023b0cd8780d95b202abd010.exe

Drops file in Windows directory 3 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotifyIcon.exe

description	ioc	process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe

Modifies data under HKEY_USERS 51 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.499984"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.019979"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3964"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.919727"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893157966137048"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4288"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4092"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

752 PING.EXE

pid	process
752	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	1908	TiWorker.exe
Token: SeRestorePrivilege	1908	TiWorker.exe
Token: SeBackupPrivilege	1908	TiWorker.exe
Token: SeBackupPrivilege	1908	TiWorker.exe
Token: SeRestorePrivilege	1908	TiWorker.exe
Token: SeSecurityPrivilege	1908	TiWorker.exe
Token: SeBackupPrivilege	1908	TiWorker.exe
Token: SeRestorePrivilege	1908	TiWorker.exe
Token: SeSecurityPrivilege	1908	TiWorker.exe
Token: SeBackupPrivilege	1908	TiWorker.exe
Token: SeRestorePrivilege	1908	TiWorker.exe
Token: SeSecurityPrivilege	1908	TiWorker.exe
Token: SeBackupPrivilege	1908	TiWorker.exe
Token: SeRestorePrivilege	1908	TiWorker.exe
Token: SeSecurityPrivilege	1908	TiWorker.exe
Token: SeBackupPrivilege	1908	TiWorker.exe
Token: SeRestorePrivilege	1908	TiWorker.exe
Token: SeSecurityPrivilege	1908	TiWorker.exe
Token: SeBackupPrivilege	1908	TiWorker.exe
Token: SeRestorePrivilege	1908	TiWorker.exe
Token: SeSecurityPrivilege	1908	TiWorker.exe
Token: SeBackupPrivilege	1908	TiWorker.exe
Token: SeRestorePrivilege	1908	TiWorker.exe
Token: SeSecurityPrivilege	1908	TiWorker.exe
Token: SeBackupPrivilege	1908	TiWorker.exe
Token: SeRestorePrivilege	1908	TiWorker.exe
Token: SeSecurityPrivilege	1908	TiWorker.exe
Token: SeBackupPrivilege	1908	TiWorker.exe
Token: SeRestorePrivilege	1908	TiWorker.exe
Token: SeSecurityPrivilege	1908	TiWorker.exe
Token: SeBackupPrivilege	1908	TiWorker.exe
Token: SeRestorePrivilege	1908	TiWorker.exe
Token: SeSecurityPrivilege	1908	TiWorker.exe
Token: SeBackupPrivilege	1908	TiWorker.exe
Token: SeRestorePrivilege	1908	TiWorker.exe
Token: SeSecurityPrivilege	1908	TiWorker.exe
Token: SeBackupPrivilege	1908	TiWorker.exe
Token: SeRestorePrivilege	1908	TiWorker.exe
Token: SeSecurityPrivilege	1908	TiWorker.exe
Token: SeBackupPrivilege	1908	TiWorker.exe
Token: SeRestorePrivilege	1908	TiWorker.exe
Token: SeSecurityPrivilege	1908	TiWorker.exe
Token: SeBackupPrivilege	1908	TiWorker.exe
Token: SeRestorePrivilege	1908	TiWorker.exe
Token: SeSecurityPrivilege	1908	TiWorker.exe
Token: SeBackupPrivilege	1908	TiWorker.exe
Token: SeRestorePrivilege	1908	TiWorker.exe
Token: SeSecurityPrivilege	1908	TiWorker.exe
Token: SeBackupPrivilege	1908	TiWorker.exe
Token: SeRestorePrivilege	1908	TiWorker.exe
Token: SeSecurityPrivilege	1908	TiWorker.exe
Token: SeBackupPrivilege	1908	TiWorker.exe
Token: SeRestorePrivilege	1908	TiWorker.exe
Token: SeSecurityPrivilege	1908	TiWorker.exe
Token: SeBackupPrivilege	1908	TiWorker.exe
Token: SeRestorePrivilege	1908	TiWorker.exe
Token: SeSecurityPrivilege	1908	TiWorker.exe
Token: SeBackupPrivilege	1908	TiWorker.exe
Token: SeRestorePrivilege	1908	TiWorker.exe
Token: SeSecurityPrivilege	1908	TiWorker.exe
Token: SeBackupPrivilege	1908	TiWorker.exe
Token: SeRestorePrivilege	1908	TiWorker.exe
Token: SeSecurityPrivilege	1908	TiWorker.exe
Token: SeBackupPrivilege	1908	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

04e6443649a72c12480752b4eeaa8eb43b50a830023b0cd8780d95b202abd010.execmd.exe

description	pid	process	target process
PID 376 wrote to memory of 3376	376	04e6443649a72c12480752b4eeaa8eb43b50a830023b0cd8780d95b202abd010.exe	MediaCenter.exe
PID 376 wrote to memory of 3376	376	04e6443649a72c12480752b4eeaa8eb43b50a830023b0cd8780d95b202abd010.exe	MediaCenter.exe
PID 376 wrote to memory of 3376	376	04e6443649a72c12480752b4eeaa8eb43b50a830023b0cd8780d95b202abd010.exe	MediaCenter.exe
PID 376 wrote to memory of 3468	376	04e6443649a72c12480752b4eeaa8eb43b50a830023b0cd8780d95b202abd010.exe	cmd.exe
PID 376 wrote to memory of 3468	376	04e6443649a72c12480752b4eeaa8eb43b50a830023b0cd8780d95b202abd010.exe	cmd.exe
PID 376 wrote to memory of 3468	376	04e6443649a72c12480752b4eeaa8eb43b50a830023b0cd8780d95b202abd010.exe	cmd.exe
PID 3468 wrote to memory of 752	3468	cmd.exe	PING.EXE
PID 3468 wrote to memory of 752	3468	cmd.exe	PING.EXE
PID 3468 wrote to memory of 752	3468	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\04e6443649a72c12480752b4eeaa8eb43b50a830023b0cd8780d95b202abd010.exe
"C:\Users\Admin\AppData\Local\Temp\04e6443649a72c12480752b4eeaa8eb43b50a830023b0cd8780d95b202abd010.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:376

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3376

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\04e6443649a72c12480752b4eeaa8eb43b50a830023b0cd8780d95b202abd010.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3468

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:752

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:756

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:1172

C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1908

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

Remote System Discovery

1

T1018

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
e3941e1a0360e6865f618a79f8784843

SHA1
8df26f83df25ae8742bc2a0023ae0447fc12900c

SHA256
ab3e10c09ba5dea8426c2baa372e58cece403e330cf983fd89404e0ba6246364

SHA512
9c0d9fd91d642ee0b078f0a512c0444b41921a33bc5d8dde73adb3c93c452e3392c88b86fae6e5ea381699a16eb4f7ca3fbf91e9b4de273a2957c75255b3ec19

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
e3941e1a0360e6865f618a79f8784843

SHA1
8df26f83df25ae8742bc2a0023ae0447fc12900c

SHA256
ab3e10c09ba5dea8426c2baa372e58cece403e330cf983fd89404e0ba6246364

SHA512
9c0d9fd91d642ee0b078f0a512c0444b41921a33bc5d8dde73adb3c93c452e3392c88b86fae6e5ea381699a16eb4f7ca3fbf91e9b4de273a2957c75255b3ec19

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads